The number or gauge designates the size of the bore. 10, 12, 16, 20, and .410 gauge are the most common.
The decibel scale is a logarithmic scale. An increase of 10 points on the decibel scale means that the energy increases by a factor 10; an increase of 20 decibels means an energy increase by a factor of 10 x 10 = 100, etc.
These particles are called electrons - symbol e-, electric charge -1, mass 9.10938291(40)×10−31 kg.
There is no such unit as a billisecond. A billionth of a second (10-9 s) is called a nanosecond.
An octahedron, which looks like 2 pyramids glued bottom to bottom.
Density 10 kg/cm2, 16 kg/cm2, 24 kg/cm2, 48 kg/cm2 etc Uday Shah
Many companies built them in both black and smokeless powder variants. Remington, Ithaca, H&H, Greener, Wadsworth, etc..
Ithaca made 10 gauge shotguns.
A web search on Lu-Mar Shotguns brought up at least 10 pages.
Try this link from Remington. http://www.remington.com/library/history/firearm_models/shotguns/model_10.asp
Generally speaking, shotguns are classified by the inside diameter of the barrell: 6, 8, 10, 12, 14, 16, 18, and 20 guage.
Alvin - The gun was probably made by Harrington & Richardson for Sears. It may be called the model 10 or model 120 in the H&R listings.
go on line to: gunsamerica.com gunbroker.com shotgunworld.com
There is no record that Husqvarna ever made a 10 ga shotgun.
13,14,16,20,22,24,26,28,32, 4, 8, 10 to name a few.
Depending on load, bbl length, and conditions 10-100 meters.
http://www.remington.com/library/history/firearm_models/shotguns/model_10.asp
Shotguns do not have "bullets". They have shot in varying sizes or slugs. The standard lengths for .410 shells are 2.5" and 3" The actual slug or shot column inside the shell is about 3/4" long.